约翰，我用这个礼物作为象征，对你为我们做的一切表示感激。
John, I present this gift as a token of our appreciation for what you've done for us.
下一步将转移到2D原理图，在2D原理图中板子上不同元件之间的联系用图象征性地表示出来了。
Next the design moves on to a 2D schematic, where the connections between the different board components are symbolically shown.
用寓言或者符号象征性的表示。
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